[INFO] cloning repository https://github.com/DanGSun/fundamental_forces_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanGSun/fundamental_forces_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanGSun%2Ffundamental_forces_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanGSun%2Ffundamental_forces_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad98ffa02cc520e0629bf982749a1e6f09431553
[INFO] testing DanGSun/fundamental_forces_sim against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanGSun%2Ffundamental_forces_sim" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanGSun/fundamental_forces_sim on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DanGSun/fundamental_forces_sim
[INFO] finished tweaking git repo https://github.com/DanGSun/fundamental_forces_sim
[INFO] tweaked toml for git repo https://github.com/DanGSun/fundamental_forces_sim written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/DanGSun/fundamental_forces_sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston-texture v0.8.0
[INFO] [stderr]   Downloaded piston-viewport v1.0.0
[INFO] [stderr]   Downloaded image v0.22.4
[INFO] [stderr]   Downloaded piston-graphics_api_version v0.2.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.36.0
[INFO] [stderr]   Downloaded vecmath v1.0.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.49.0
[INFO] [stderr]   Downloaded pistoncore-input v0.28.0
[INFO] [stderr]   Downloaded shader_version v0.6.0
[INFO] [stderr]   Downloaded piston v0.49.0
[INFO] [stderr]   Downloaded pistoncore-window v0.44.0
[INFO] [stderr]   Downloaded glutin v0.21.2
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.63.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.71.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92268b36b61affd6e5ba1bba6b93cb4c79e0e3faf92cec3fa496c31bb99a6176
[INFO] running `Command { std: "docker" "start" "-a" "92268b36b61affd6e5ba1bba6b93cb4c79e0e3faf92cec3fa496c31bb99a6176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92268b36b61affd6e5ba1bba6b93cb4c79e0e3faf92cec3fa496c31bb99a6176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92268b36b61affd6e5ba1bba6b93cb4c79e0e3faf92cec3fa496c31bb99a6176", kill_on_drop: false }`
[INFO] [stdout] 92268b36b61affd6e5ba1bba6b93cb4c79e0e3faf92cec3fa496c31bb99a6176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c1d1327c700ab128ddd2d2b2e3cdae17448123a43d11982ae93d53d9e4be0f9
[INFO] running `Command { std: "docker" "start" "-a" "6c1d1327c700ab128ddd2d2b2e3cdae17448123a43d11982ae93d53d9e4be0f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling piston-graphics_api_version v0.2.0
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling piston-texture v0.8.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling shader_version v0.6.0
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling piston2d-graphics v0.36.0
[INFO] [stderr]    Compiling alga v0.9.2
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling image v0.22.4
[INFO] [stderr]    Compiling pistoncore-input v0.28.0
[INFO] [stderr]    Compiling pistoncore-window v0.44.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.49.0
[INFO] [stderr]    Compiling piston v0.49.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.71.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.5
[INFO] [stderr]    Compiling glutin v0.21.2
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.63.0
[INFO] [stderr]    Compiling orbit_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/universe.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/universe.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/universe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ButtonEvent`, `PressEvent`, `ReleaseEvent`
[INFO] [stdout]   --> src/main.rs:11:71
[INFO] [stdout]    |
[INFO] [stdout] 11 | use piston::input::{RenderArgs, RenderEvent, UpdateArgs, UpdateEvent, ButtonEvent, PressEvent, ReleaseEvent};
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Matrix2`, `Matrix2x1`, `Point2`
[INFO] [stdout]   --> src/main.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | use nalgebra::{Point2, Vector2, Matrix2, Matrix2x1};
[INFO] [stdout]    |                ^^^^^^           ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `origin`
[INFO] [stdout]   --> src/universe.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn origin() -> Body {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `old_pos`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     old_pos: Vec<(f64, f64)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `Command { std: "docker" "inspect" "6c1d1327c700ab128ddd2d2b2e3cdae17448123a43d11982ae93d53d9e4be0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1d1327c700ab128ddd2d2b2e3cdae17448123a43d11982ae93d53d9e4be0f9", kill_on_drop: false }`
[INFO] [stdout] 6c1d1327c700ab128ddd2d2b2e3cdae17448123a43d11982ae93d53d9e4be0f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14fbd9ea60085a9e2ab61350a34eae1ca1c9e3803a39dc049f4eb6cdcefc4d21
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "14fbd9ea60085a9e2ab61350a34eae1ca1c9e3803a39dc049f4eb6cdcefc4d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling orbit_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/universe.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/universe.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/universe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ButtonEvent`, `PressEvent`, `ReleaseEvent`
[INFO] [stdout]   --> src/main.rs:11:71
[INFO] [stdout]    |
[INFO] [stdout] 11 | use piston::input::{RenderArgs, RenderEvent, UpdateArgs, UpdateEvent, ButtonEvent, PressEvent, ReleaseEvent};
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Matrix2`, `Matrix2x1`, `Point2`
[INFO] [stdout]   --> src/main.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | use nalgebra::{Point2, Vector2, Matrix2, Matrix2x1};
[INFO] [stdout]    |                ^^^^^^           ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `origin`
[INFO] [stdout]   --> src/universe.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn origin() -> Body {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `old_pos`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     old_pos: Vec<(f64, f64)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "14fbd9ea60085a9e2ab61350a34eae1ca1c9e3803a39dc049f4eb6cdcefc4d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fbd9ea60085a9e2ab61350a34eae1ca1c9e3803a39dc049f4eb6cdcefc4d21", kill_on_drop: false }`
[INFO] [stdout] 14fbd9ea60085a9e2ab61350a34eae1ca1c9e3803a39dc049f4eb6cdcefc4d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ef89d0e90ffb2020ff80187c935a1eac87db57c2802f7faf1af7ab6862d9786
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ef89d0e90ffb2020ff80187c935a1eac87db57c2802f7faf1af7ab6862d9786", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/universe.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/universe.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]  --> src/universe.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread::sleep;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ButtonEvent`, `PressEvent`, `ReleaseEvent`
[INFO] [stderr]   --> src/main.rs:11:71
[INFO] [stderr]    |
[INFO] [stderr] 11 | use piston::input::{RenderArgs, RenderEvent, UpdateArgs, UpdateEvent, ButtonEvent, PressEvent, ReleaseEvent};
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Matrix2`, `Matrix2x1`, `Point2`
[INFO] [stderr]   --> src/main.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 | use nalgebra::{Point2, Vector2, Matrix2, Matrix2x1};
[INFO] [stderr]    |                ^^^^^^           ^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `origin`
[INFO] [stderr]   --> src/universe.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn origin() -> Body {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `old_pos`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     old_pos: Vec<(f64, f64)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/orbit_sim-2c54236e0559e926
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ef89d0e90ffb2020ff80187c935a1eac87db57c2802f7faf1af7ab6862d9786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef89d0e90ffb2020ff80187c935a1eac87db57c2802f7faf1af7ab6862d9786", kill_on_drop: false }`
[INFO] [stdout] 6ef89d0e90ffb2020ff80187c935a1eac87db57c2802f7faf1af7ab6862d9786
